Answer:
Step-by-step explanation:
A = L * W
A = 42
W = 3.5
now sub
42 = 3.5L <=== ur equation
Answer:
x=5
Step-by-step explanation:
1. Combine like terms to simplify the equation.
Combining like terms means to combine anything that has the same variable, degree, or no variable at all.
-3x and +6x are like terms, for example because they both have an x.
Add them together to get 3x.
2. Rewrite the equation as the simplified version of 3x-8=7.
3. Add 8 to both sides to cancel out 8 on the left side.
3x=15.
4. Divide by 3 to isolate x.
x=5
Answer:
X= 8
Step-by-step explanation:
Answer:
He made seven A's.
Step-by-step explanation:
360-220=140
140/20=7
